/// <summary>
/// 根据原始图片名称和缩略图后缀(_s或_m等)，获取缩略图名称
/// </summary>
/// <param name="srcPath"></param>
/// <param name="suffix">请勿添加下划线，系统会自动添加</param>
/// <returns></returns>
public static String GetThumbPath(Object srcPath, String suffix)
{
if (srcPath == null)
{
return("");
}
String path = srcPath.ToString();
if (strUtil.IsNullOrEmpty(path))
{
return("");
}
String ext = Path.GetExtension(path);
String pathWithoutExt = strUtil.TrimEnd(path, ext);
if (suffix.StartsWith("_") == false)
{
suffix = "_" + suffix;
}
foreach (KeyValuePair <String, ThumbInfo> kv in ThumbConfig.GetPhotoConfig())
{
pathWithoutExt = strUtil.TrimEnd(pathWithoutExt, "_" + kv.Key);
}
return(pathWithoutExt + suffix + ext);
}
/// <summary>
/// 将图片拷贝到上传目录中，并生成中、小缩略图
/// </summary>
/// <param name="oPath">原始相对路径</param>
/// <returns>返回图片名称，包括所在文件夹，比如 2009/9/28/1530703343314547.jpg</returns>
public static string CopyToUploadPath(String oPath)
{
oPath = PathHelper.Map(oPath);
// 需要保存的路径
String shortPath = Img.GetPhotoName(Path.GetExtension(oPath));
String targetPath = PathHelper.Map(strUtil.Join(sys.Path.DiskPhoto, shortPath));
logger.Info("copy pic. oPath=" + oPath + ", target=" + targetPath);
// 1) 复制原图
file.Copy(oPath, targetPath);
Dictionary <String, ThumbInfo> thumbConfigMap = ThumbConfig.GetPhotoConfig();
foreach (KeyValuePair <String, ThumbInfo> kv in thumbConfigMap)
{
String sPath = Img.GetThumbPath(targetPath, kv.Key);
Img.SaveThumbnail(oPath, sPath, kv.Value.Width, kv.Value.Height, kv.Value.Mode);
}
return(shortPath);
}
/// <summary>
/// 删除图片以及缩略图。如果图片不存在，则忽略
/// </summary>
/// <param name="srcPath">相对网址</param>
public static void DeleteImgAndThumb(String srcPath)
{
DeleteImgAndThumb(srcPath, ThumbConfig.GetPhotoConfig());
}